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/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.awt.AWTException;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.MouseInfo;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
/**
* @test
* @key headful
* @bug 8196030
* @summary checks that Robot and MouseInfo use the same coordinates
*/
public final class MouseLocationOnScreen {
public static void main(final String[] args) throws AWTException {
GraphicsEnvironment lge =
GraphicsEnvironment.getLocalGraphicsEnvironment();
for (final GraphicsDevice device : lge.getScreenDevices()) {
GraphicsConfiguration dc = device.getDefaultConfiguration();
Robot robot = new Robot(device);
Rectangle bounds = dc.getBounds();
int x1 = bounds.x;
int x2 = x1 + bounds.width - 1;
int y1 = bounds.y;
int y2 = y1 + bounds.height - 1;
// We'll check all edge (two pixels in a width) of the each screen
edge(robot, device, x1, y1, x2, y1); // top
edge(robot, device, x1, y1 + 1, x2, y1 + 1); // top
edge(robot, device, x2, y1, x2, y2); // right
edge(robot, device, x2 - 1, y1, x2 - 1, y2); // right
edge(robot, device, x1, y1, x1, y2); // left
edge(robot, device, x1 + 1, y1, x1 + 1, y2); // left
edge(robot, device, x1, y2, x2, y2); // bottom
edge(robot, device, x1, y2 - 1, x2, y2 - 1); // bottom
// We'll check crossing of diagonals of each screen
cross(robot, device, x1, y1, x2, y2); // cross left-bottom
cross(robot, device, x1, y2, x2, y1); // cross left-top
}
}
/**
* This method checks the coordinates which were passed to robot and
* returned by MouseInfo. Note that this method will be called for each
* pixel and for performance reasons we try will try to skip waitForIdle()
* a few times.
*/
static void validate(Robot robot, GraphicsDevice device, int x, int y) {
int attempt = 0;
while (true) {
attempt++;
Point actLoc = MouseInfo.getPointerInfo().getLocation();
GraphicsDevice actDevice = MouseInfo.getPointerInfo().getDevice();
if (actLoc.x != x || actLoc.y != y || actDevice != device) {
if (attempt <= 10) {
if (attempt >= 8) {
robot.waitForIdle();
}
continue;
}
System.err.println("Expected device: " + device);
System.err.println("Actual device: " + actDevice);
System.err.println("Expected X: " + x);
System.err.println("Actual X: " + actLoc.x);
System.err.println("Expected Y: " + y);
System.err.println("Actual Y: " + actLoc.y);
throw new RuntimeException();
}
return;
}
}
private static void edge(Robot robot, GraphicsDevice device,
int x1, int y1, int x2, int y2) {
for (int x = x1; x <= x2; x++) {
for (int y = y1; y <= y2; y++) {
robot.mouseMove(x, y);
validate(robot, device, x, y);
}
}
}
private static void cross(Robot robot, GraphicsDevice device,
int x0, int y0, int x1, int y1) {
float dmax = (float) Math.max(Math.abs(x1 - x0), Math.abs(y1 - y0));
float dx = (x1 - x0) / dmax;
float dy = (y1 - y0) / dmax;
robot.mouseMove(x0, y0);
validate(robot, device, x0, y0);
for (int i = 1; i <= dmax; i++) {
int x = (int) (x0 + dx * i);
int y = (int) (y0 + dy * i);
robot.mouseMove(x, y);
validate(robot, device, x, y);
}
}
}
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